Window-glass guide



fill

Patented June 12, 1928'.

UNITED STATES EWIN W. M. BAILEY, OF AMESBURY, MASSACHUSETTS.

WINDOW-GLASS GUIDE.

Application led June 9,

This invention relates to that class of window guides which are primarily designed for use in connection with the vertically sliding window glass of a closed body automobile and more particularly to that type of guide shown in my prior Patents #1,571,- 831 and 1,521,168, in which strips of channel form resilient metal are provided to receive the side edge portions of the glass, the sides of the channel strip being adapted to be yieldably engaged, directly or indirectly, with t-he surfaces of the glass. To secure the beneiit of the resiliency or cushioning efect of the sides of the metal channel to the fullest extent, the channel should be mounted in such a manner that its sides may yield throughout the entire Width thereof, and particularly at points adjacent its base portion, and where this form of guide is employed in a wooden casing, this result may b 'e secured by securing the channel to the bottom of the casing groove by screws which are passed through the base'of the channel into the casing and by making the groove of such Width that, when the glass is in posif tion in the channel, the sides of the channel do not bear against the sides of the groove at any point, thereby permitting the sides to yield adjacent the base to a sufiic-ient extent .to relieve the glass from strain due to a sudden shock or blow.

Where, however, the metal channel is set into a groojve formed in a metal casing, attachment by means of screws is impractical, on account of the greatly increased expense incident to such a method. Uther methods which have been considered practical, such as cementing, or clamping, involve a close engagement of the sidesof the channel with the sides oil the groove for a substantial portion of the distance from the base Ythereof, amounting to approximately half the distance from the base to the edges of the sides, so that the portion of each side which may then yield to 'relieve the shock to the ,glass from a sudden blow, as from the slam ming of the door closed, is greatly reduced, as compared with the cushioning eect provided when` the 'sides of the channel are yieldable from edge to base.

'The primary object of my present invention is to provide guiding means, of the type above indicated, which may be readily mounted in the groove of a metal easing and securely attached in this ositioii, so that a support for the glass will e provided 1926. Serial No. 114,712.

which will have substantially the same Cushioning eil'ect as when the metal channel is so secured that the sides of the channel do not engage the sides of the casing groove.

I accomplish these objects in the manner hereinafter described and as illustrated in the accompanying drawings, in which:

Fig. 1 is a combined side elevation and central vertical section of a channel guide ombpdying a forni of my invention.

fFigs. 2 and 3 are transverse sections there- 0 Fig. 4- is4 aside elevation of the metal channel..

Fig, 5 is a transverse sectional view of a modified form of the invention.

As shown in the drawing, a metal casing a: is indicated as provided with a groove b of'common form, the corners of the groove being rounded at its hottornto correspond to the form of the channel.

A resilient metal channel c is provided of the form shown in said prior patents, said channel having normally converging yieldable sides, and being lined With felt d in the manner indicated in my prior Patent #1,521,168, but, so far as the present invention is concerned, it is immaterial whether the metal channel engages the glass directly or indirectly.

According to my present invention, a strip e of felt, or other like cushioning material, is adhesively connected to the outer surface of the metal channel o throughoutthe cntire length thereof, said strip extending transversely thereofl from ,a point approximately midway of one side of the channel about the base to a correspondin point on the other side thereof, so that t e portion of the s ides which is covered bythe felt, or cushioning material, corresponds approximately to the portion of the sides which would ordinarily engage the sides of the casing groove when' the glass 7" is inserted therein, as indicated in F ig. 3.

When the metal channel is placed tion in the casing groove, the exteriorot the felt strip ewill be coated with .a suitable adhesive, so that the metal channel, which has previously been adhesively connected to the felt strip, will be thereby connected to the casing. i

With the above described construction, when the glass is in position therein, although a substantial port-ion of the sides of the metal channel will be held varillle icov in posirelation with the sides of the casing groove, as for approximately half the width thereof, and be indirectly engaged therewith throu h the felt strip e, the resilient action or cus iionin effect of the metal channel will not be su stantially impaired, as it would be if this portion of the sides of the metal channel directly engaged the sides of thev casing groove, for the reason that if there should be a sudden'impact, which would tend to throw additional strain on either side of the channel, the felt cushion c would yield Sulliciently to permit the entire side of the channel to yield to its base, so that the entire side of the channel, and particularly the portion thereof adjacent the base, would be effective in cushionin the glass, which would not be the case if the portion of the side of the channel which is covered with the felt cushion e were directly engaged with the side of the casing groove, so that only the unengaged, or outer portion of the side Y of the channel would be effective in cushioning the glass.

The same eect is secured with the construction shown-in Fig. 5, in which a felt strip g is adhesively connected to each side of the metal channel from points adjacent the base to approximately the same point as in the construction previously described.

The advantages secured with the construction of Fig. 5 are practically the same as with the previous construction, in so far as the cushioning effect on the sides of the metal channel are concerned, although in some other respects it may not be as advantageous.

B employing the felt stripse or g, as descritied, the full cushioning eect possible of the sides of the metal channel is not onl secured, but, in addition, the channel wil be more e'ectively held in position in the casing groove by means of cement, than it would be held directly if the metal surfaces were in direct contact. The channel may, 45 however, be securely cemented in position when either the single wide stri e or the two narrow strips g are employe I claim:

1. In combination with a window glass 50 casing having a groove, a guide for the glass\ comprising a resilient metal channel having its base portion secured against the bottom of said groove and its sides extending outward in convergent relation, said sides being 5 arranged for engagement with opposite sides of the glass and adapted to yield with relationlo said base, and a strip of cushion'- ing material interposed between each side of said groove and the portions of the sides of the channel adjacent'the base thereof, the sides of the strip bein adhesively connected to the surfaces of t e groove and of the channel with which it is held in contact, to provide a yieldable connection between the sides of the channel and the casing.

2. A window glass guide for a casing groove, comprising a metal channel having a base and resilient, normally convergent sides adapted for engagement with opposite sides of the glass, and a strip of fibrous cushioning material adhesively connected at one side to the outer surface of the channel throughoutl the length thereof and extending transversely about the base and onto 75 the adjacent portion only of each side, the opposite side of the strip being adapted to be adhesively connected to the corresponding surfaces of the casing groove when the channel is in position therein, to secure the channel within groove and permit the sides of the channel to yield outward.

In testimony whereof, I have signed my name to this specification.

' EDWIN W. M. BAILEY. 

